Craig Mayer, Nick WIlliams, Vojtech Huser
Lister Hill National Center for Biomedical Communications, National Library of Medicine, NIH, Bethesda, MD

See the full regCTG repository at https://github.com/lhncbc/CRI/tree/master/regCTG

To return to the list of conditions and view other reports go to https://lhncbc.github.io/CRI/regCTG/regCTG-condition_report_links.html


Study Counts

Type Study_count
Total_Studies 729
interventional 629
Observational 98
Registry 2

Studies over Time by Start Date

```

Interventional Trials

Intervention Type

intervention_type Study_Count
Drug 188
Drug|placebo 183
Behavioral 92
Other 46
Device 32
Behavioral|Drug 18
Behavioral|Other 18
Dietary Supplement|placebo 10
Dietary Supplement 9
Behavioral|Drug|placebo 7
Drug|Other 3
Behavioral|Drug|Other 2
Dietary Supplement|Drug 2
Dietary Supplement|Other 2
Other|placebo 2
placebo 2
Behavioral|Device 1
Behavioral|Device|Other 1
Behavioral|Dietary Supplement 1
Behavioral|Dietary Supplement|Other 1
Behavioral|Drug|Other|placebo 1
Behavioral|placebo 1
Combination Product|placebo 1
Diagnostic Test 1
Drug|Other|placebo 1
Drug|placebo|Procedure 1
Genetic 1
Other|Procedure 1
Radiation 1

Count of Studies by Intervention (normalized and mapped)

Interventions over Time

Yearly studies for each intervention by start date

Studies by Country

Country Study_Count
United States 346
NA 57
Canada 27
Brazil 16
Germany 16
Israel 16
Sweden 15
France 14
Netherlands 11
Japan 10
Norway 8
China 7
United Kingdom 7
Korea, Republic of 6
Italy 5
Spain 5
Singapore 4
Taiwan 4
United States|Canada 4
Denmark 3
United States|Puerto Rico 3
China|Korea, Republic of|Taiwan 2
India 2
Iran, Islamic Republic of 2
Malaysia 2
Switzerland 2
Turkey 2
Australia|Belgium|Denmark|Finland|Germany|Netherlands|Spain|United Kingdom 1
Australia|Mexico|United Kingdom 1
Austria|Belgium|Finland|France|Germany|Italy|Netherlands|Portugal|Spain|Sweden|Switzerland|United Kingdom 1
Belgium 1
Belgium|France|Ireland|Italy|Mexico|Norway|Spain|Turkey|United Kingdom 1
Belgium|Germany|Hungary|Italy|Netherlands|Poland|Romania|Spain|Sweden|United Kingdom 1
Belgium|Netherlands 1
Chile 1
China|Korea, Republic of|Mexico 1
Egypt 1
France|Germany|Netherlands|Norway|Portugal|Spain|Switzerland 1
Greece 1
Iceland 1
Japan|Korea, Republic of|Taiwan 1
Pakistan 1
Poland 1
Russian Federation 1
Saudi Arabia 1
South Africa 1
Spain|Austria|Belgium|France|Germany|Ireland|Italy|Netherlands|Poland|Romania|Sweden|Ukraine|United Kingdom 1
Switzerland|Sweden|Belgium|Denmark|Finland|France|Germany|Netherlands|Norway|Spain|United Kingdom 1
United States|Australia|Belgium|Canada|France|Germany|Israel|Italy|Netherlands|Norway|Puerto Rico|South Africa|Sweden|United Kingdom 1
United States|Australia|Netherlands 1
United States|Austria|Belgium|Germany|Netherlands|Portugal|Spain|Sweden|United Kingdom 1
United States|Austria|Canada|France|Germany|Ireland|Italy|Poland|Romania|Spain|Sweden|Ukraine|United Kingdom 1
United States|Belgium|Canada|France|Germany|Italy|Netherlands|Spain|Sweden|United Kingdom 1
United States|Belgium|Canada|Germany|Hungary|Italy|Poland|Spain|Sweden|United Kingdom 1
United States|Belgium|Colombia|Denmark|Germany|Norway|Singapore|South Africa|Sweden 1
United States|Belgium|Colombia|Denmark|Germany|Sweden 1
United States|Canada|Germany|Hungary|Sweden 1
United States|Canada|Puerto Rico 1
United States|China 1
United States|Israel 1

Sites per Study

Site_count Study_Count
1 431
2 41
3 13
4 7
5 13
6 7
7 6
8 7
9 6
11 4
12 8
13 3
14 1
15 2
16 6
17 1
18 2
19 2
20 4
21 8
22 1
23 2
24 3
25 1
27 3
28 1
29 3
30 1
31 2
32 1
35 4
36 2
37 1
38 2
39 1
41 1
42 1
43 1
45 3
46 2
48 3
50 1
54 1
55 1
56 1
57 1
59 1
60 1
62 1
64 1
65 1
66 1
68 1
73 1
79 1
81 1
89 1
95 1
100 1

Phase

Phase Study_Count
N/A 225
Phase 4 138
Phase 3 131
Phase 2 82
Phase 1 21
Phase 1/Phase 2 14
Phase 2/Phase 3 14
Early Phase 1 4

Number of Arms

Number_of_Arms Count_of_Studies
1 120
2 297
3 86
4 33
5 4
6 3
7 1
8 1
9 1
12 1
NA 82

Enrollment Metrics by Phase

Measure Early.Phase.1 N.A Phase.1 Phase.1.Phase.2 Phase.2 Phase.2.Phase.3 Phase.3 Phase.4
Min. 6.00 3.0000 14.00000 8.00000 2.0000 24.0 12.0000 3.0000
1st Qu. 19.50 35.0000 18.00000 25.75000 36.2500 47.0 101.2500 40.0000
Median 24.50 70.0000 30.00000 36.50000 76.5000 125.5 206.0000 86.0000
Mean 21.75 130.3778 46.71429 56.07143 109.4512 149.5 258.4048 154.0949
3rd Qu. 26.75 128.0000 43.00000 70.00000 127.5000 228.0 323.0000 194.0000
Max. 32.00 3267.0000 220.00000 176.00000 740.0000 340.0 2017.0000 1344.0000

Trial Group Type

group_type Group_Count
Experimental 610
Active Comparator 254
Placebo Comparator 210
NA 82
No Intervention 46
Other 41
Sham Comparator 17

Intervention Model

intervention_model Study_Count
Parallel Assignment 349
Single Group Assignment 155
Crossover Assignment 108
Factorial Assignment 9
Sequential Assignment 4
NA 4

Primary Purpose

primary_purpose Study_Count
Treatment 532
Basic Science 33
Health Services Research 16
Other 16
Prevention 11
Diagnostic 9
Supportive Care 5
NA 5
Screening 2

Observational Studies

Studies by Country

Country Study_Count
United States 39
Taiwan 13
Israel 7
NA 7
Canada 5
France 5
Italy 3
China 2
Germany 2
Korea, Republic of 2
United Kingdom 2
Austria 1
Brazil 1
Denmark 1
Egypt 1
Germany|Hungary|Italy|United Kingdom 1
Hong Kong 1
Netherlands 1
Norway 1
Spain 1
Sweden 1
United States|Canada 1

Sites per Study

Site_count Study_Count
1 85
2 7
3 2
4 1
9 1
10 1
35 1

Enrollment Metrics

Measure Observational
Min 9.000
1st Qu 60.000
Median 121.000
Mean 5133.959
3rd Qu 343.750
Max 430000.000

Observation Model

observational_model Study_Count
Cohort 26
Case Control 18
Case-Control 15
Case-Only 14
NA 14
Other 6
Case-Crossover 1
Case Control, Natural History 1
Defined Population 1
Ecologic or Community 1
Family-Based 1

Time Perspective

time_perspective Study_Count
Prospective 39
Cross-Sectional 31
NA 17
Retrospective 6
Other 3
Cross-Sectional, Prospective 1
Longitudinal, Prospective 1

Registries

Studies by Country

Country Study_Count
Norway 1
Sweden 1

Sites per Study

Site_count Study_Count
1 2

Enrollment Metrics

Measure Registries
Min 200
1st Qu 650
Median 1100
Mean 1100
3rd Qu 1550
Max 2000

Registry Model

observational_model Study_Count
Case-Only 1
Cohort 1

Time Perspective

time_perspective Study_Count
Prospective 2

Follow-up

target_duration Study_Count
12 Months 2

Overview of Studies

Interventional Trials

#If less then 500 trials

Observational Studiess

#If less then 500 studies

nct_id brief_title link overall_status source primary_completion_date
NCT04278404 Pharmacokinetics, Pharmacodynamics, and Safety Profile of Understudied Drugs Administered to Children Per Standard of Care (POPS) https://ClinicalTrials.gov/show/NCT04278404 Recruiting Duke University 2024-04-24
NCT03283579 Fatty Acids and Attention Deficit and Hyperactivity Disorder Symptoms https://ClinicalTrials.gov/show/NCT03283579 Completed Barcelona Institute for Global Health 2015-12-31
NCT03233867 A Non-interventional Study to Identify Children and Adolescents With ADHD and With or Without mGLuR Mutations https://ClinicalTrials.gov/show/NCT03233867 Completed Aevi Genomic Medicine, LLC, a Cerecor company 2018-08-03
NCT03018574 Candidate Gene Screening for Attention Deficit/Hyperactive Disorder (ADHD) https://ClinicalTrials.gov/show/NCT03018574 Completed Xijing Hospital 2017-01-31
NCT02973061 The Impact of the Use of Recombinant Human Growth Hormone on ADHD Characteristics in Children and Adolescents https://ClinicalTrials.gov/show/NCT02973061 Recruiting Assaf-Harofeh Medical Center 2020-12-31
NCT02948270 Communication in Adolescents With ADHD https://ClinicalTrials.gov/show/NCT02948270 Completed The Hospital for Sick Children 2013-06-30
NCT02942225 The Metabolome Profiling and Pathway Analysis of ADHD https://ClinicalTrials.gov/show/NCT02942225 Recruiting National Taiwan University Hospital 2019-07-31
NCT02897362 Sleep Dysfunction and Neurocognitive Outcomes in Adolescent ADHD https://ClinicalTrials.gov/show/NCT02897362 Recruiting Duke University 2021-07-31
NCT02811211 A Noninterventional Genotype/Phenotype Study of mGluR Mutations in Children and Adolescents With ADHD https://ClinicalTrials.gov/show/NCT02811211 Completed Aevi Genomic Medicine, LLC, a Cerecor company 2017-01-06
NCT02801604 Attentin® in Children and Adolescents With ADHD - A Non-interventional Study https://ClinicalTrials.gov/show/NCT02801604 Active, not recruiting Medice Arzneimittel Pütter GmbH & Co KG 2019-11-30
NCT02756286 Neurophysiological Attention Test (NAT) for Objective Assessment of Adult ADHD https://ClinicalTrials.gov/show/NCT02756286 Completed Think Now Incorporated 2018-06-01
NCT02730572 Concerta (Methylphenidate) -To-Generic Switch Study https://ClinicalTrials.gov/show/NCT02730572 Completed Janssen Research & Development, LLC 2016-10-31
NCT02720562 Addressing Motion and Confounds Issues in Resting fMRI- Application of Multi-echo EPI Scanning https://ClinicalTrials.gov/show/NCT02720562 Completed National Taiwan University Hospital 2015-12-31
NCT00046059 Genetic Analysis of Attention Deficit Hyperactivity Disorder (ADHD) https://ClinicalTrials.gov/show/NCT00046059 Completed National Institutes of Health Clinical Center (CC) NA
NCT00001246 Brain Imaging of Childhood Onset Psychiatric Disorders, Endocrine Disorders and Healthy Volunteers https://ClinicalTrials.gov/show/NCT00001246 Recruiting National Institutes of Health Clinical Center (CC) NA
NCT03393390 Study of Cognition and Control in Youths https://ClinicalTrials.gov/show/NCT03393390 Recruiting University of Michigan 2021-03-31
NCT02430896 Identification of Neuropsychological, Genetic and Neuroimaging Markers and Treatment Response Predictors of ADHD https://ClinicalTrials.gov/show/NCT02430896 Recruiting Asan Medical Center 2020-06-30
NCT02407496 Neurophysiological Attention Test (NAT) for Objective Assessment of Attention Deficit Hyperactivity Disorder (ADHD) https://ClinicalTrials.gov/show/NCT02407496 Completed Think Now Incorporated 2015-07-31
NCT02364817 ADHD: Gaps Between Patients With Alcohol-dependence and Impact on Relapse https://ClinicalTrials.gov/show/NCT02364817 Recruiting University Hospital, Lille 2020-02-29
NCT02290899 Modulation of Behavioral Inhibition in Attention Deficit Hyperactivity Disorder https://ClinicalTrials.gov/show/NCT02290899 Completed Rhode Island Hospital 2017-08-07
NCT02281825 Correlating Real and Virtual World Behavioral Fluctuations in Adolescence https://ClinicalTrials.gov/show/NCT02281825 Completed Shalvata Mental Health Center 2015-12-31
NCT02251080 Attention Deficit/Hyperactivity Disorder Internet Survey Study in a College Student Population https://ClinicalTrials.gov/show/NCT02251080 Completed Wake Forest University Health Sciences 2015-12-31
NCT02232464 Disturbed Structural Connectivity of Frontostriatal and Frontoparietal Networks in Adults With ADHD https://ClinicalTrials.gov/show/NCT02232464 Completed National Taiwan University Hospital 2014-12-31
NCT02226445 Treatment Drop-out and Missed Appointments Among Adults With ADHD https://ClinicalTrials.gov/show/NCT02226445 Completed University of Aarhus 2013-01-31
NCT01310439 Attention-Deficit/Hyperactivity Disorder (ADHD) Brain Activity Changes to Psychostimulants https://ClinicalTrials.gov/show/NCT01310439 Completed Hartford Hospital 2010-06-30
NCT01272726 Influence of Education on Acceptance of Treatment for Attention Deficit Hyperactivity Disorder (ADHD) Among Women https://ClinicalTrials.gov/show/NCT01272726 Completed Avera McKennan Hospital & University Health Center 2010-12-31
NCT01994694 Risk Perception in Adults With Attention Deficit and Hyperactivity Disorder (ADHD) https://ClinicalTrials.gov/show/NCT01994694 Completed Shaare Zedek Medical Center 2015-11-30
NCT01721720 Genetic, Brain Structure, and Environmental Effects on ADHD https://ClinicalTrials.gov/show/NCT01721720 Recruiting National Institutes of Health Clinical Center (CC) NA
NCT01705613 Cost-effectiveness of the Treatment of Attention Deficit/Hyperactivity Disorder With Methylphenidate Immediate-release in Brazil https://ClinicalTrials.gov/show/NCT01705613 Completed Hospital de Clinicas de Porto Alegre 2014-04-30
NCT01677819 Inhibition Control of Children and Adolescents With ADHD https://ClinicalTrials.gov/show/NCT01677819 Completed National Taiwan University Hospital NA
NCT01629355 Auditory Brainstem Response as a Diagnostic Tool in Schizophrenia and Bipolar Disorder https://ClinicalTrials.gov/show/NCT01629355 Completed University Hospital of North Norway 2015-05-31
NCT01624649 A Study to Examine the Progression of Attention-Deficit Hyperactivity Disorder (ADHD) Drug Treatment and to Analyze Associated Factors https://ClinicalTrials.gov/show/NCT01624649 Completed Janssen Korea, Ltd., Korea 2014-04-30
NCT01615679 Integrated Diagnosis and Treatment of Adults With Attention-deficit/Hyperactivity Disorder https://ClinicalTrials.gov/show/NCT01615679 Completed Medice Arzneimittel Pütter GmbH & Co KG 2014-03-31
NCT01470261 Attention Deficit Hyperactivity Disorder Drugs Use Chronic Effects https://ClinicalTrials.gov/show/NCT01470261 Completed NHS Tayside 2016-01-31
NCT01452061 Evaluating the Validity of a Genetic Risk Assessment Tool in Identifying Autism Spectrum Disorder https://ClinicalTrials.gov/show/NCT01452061 Completed The Cleveland Clinic 2013-12-31
NCT01430767 Measuring Adherence to Medication for Depression and Attention-deficit Hyperactivity Disorder https://ClinicalTrials.gov/show/NCT01430767 Completed Wake Forest University Health Sciences 2014-12-31
NCT01395160 Female Experiences and Brain Activity https://ClinicalTrials.gov/show/NCT01395160 Completed King’s College London 2012-11-30
NCT04443179 Brain Imaging in Babies Study https://ClinicalTrials.gov/show/NCT04443179 Recruiting King’s College London 2023-12-31
NCT04412499 Study of the Link Between Psychosocial Treatments and the Need of Pharmacological Treatments in Children With Attention Deficit Hyperactivity Disorder https://ClinicalTrials.gov/show/NCT04412499 Recruiting University Hospital, Montpellier 2020-06-30
NCT04326543 Temperament Dimensions and Awakening Salivary Cortisol Levels in ADHD. https://ClinicalTrials.gov/show/NCT04326543 Completed Università degli Studi di Sassari 2017-09-29
NCT04228094 Assesment of TDApp1 an eHelath Tool to Make Therapeutic Recommendations for Patients With ADHD https://ClinicalTrials.gov/show/NCT04228094 Recruiting Universitat de Girona 2020-12-31
NCT04201509 Validity of Neurocognitive Assessment Methods in Childhood ADHD https://ClinicalTrials.gov/show/NCT04201509 Completed Region Skane 2016-01-01
NCT04132557 A Study on Suicidality, Psychosis or Substance Abuse With Methylphenidate, Atomoxetine, Amphetamine/Dextroamphetamine or Lisdexamfetamine https://ClinicalTrials.gov/show/NCT04132557 Completed Janssen Research & Development, LLC 2019-10-25
NCT04113551 A Study of Label Compliance for Attention Deficit/Hyperactivity Disorder (ADHD) Medications in Japan https://ClinicalTrials.gov/show/NCT04113551 Completed Janssen Research & Development, LLC 2020-01-10
NCT04038073 TLR Polymorphism, ASO and Beta-hemolytic Group A Streptococcus Infections in ADHD: an Observational Study https://ClinicalTrials.gov/show/NCT04038073 Recruiting University of Turin, Italy 2020-06-30
NCT03901859 Metabolic Pathway of Tryptophan and Executive Dysfunction in Children With Attention Deficit Hyperactivity Disorder https://ClinicalTrials.gov/show/NCT03901859 Recruiting National Taiwan University Hospital 2020-03-31
NCT03879343 The Prevalence and Predictors of Gastrointestinal Symptoms in Children With Attention Deficit / Hyperactivity Disorder https://ClinicalTrials.gov/show/NCT03879343 Recruiting Hospital Authority, Hong Kong 2019-07-31
NCT03806946 Impact of Relationship of Epilepsy and Attention Deficit Hyperactive Disorder https://ClinicalTrials.gov/show/NCT03806946 Completed Assiut University 2019-12-30
NCT03721588 Clinical and Suicidal Features of Urban, Turkish Middle Age Depressive Patients With Comorbid ADHD https://ClinicalTrials.gov/show/NCT03721588 Completed Bozyaka Training and Research Hospital 2017-06-01
NCT03719950 Study on the Quality of Life Among Adolescents With Attention Deficit/Hyperactivity Disorder https://ClinicalTrials.gov/show/NCT03719950 Completed Centre Psychothérapique de Nancy 2019-12-31
NCT03692728 Increased Risk of ADHD Among Children With Bilateral Congenital Cataracts https://ClinicalTrials.gov/show/NCT03692728 Completed Sun Yat-sen University 2016-12-01
NCT03586115 Minimal Hepatic Encephalopathy in Hereditary Hemorrhagic Telangiectasian https://ClinicalTrials.gov/show/NCT03586115 Recruiting University of Bari 2020-03-21
NCT03523663 System for Determining Ideal Drug Doses for ADHD - Stages 1 and 2 https://ClinicalTrials.gov/show/NCT03523663 Recruiting University of Wisconsin, Madison 2020-12-31
NCT03436017 Identification of Biomarkers of Attention Deficit Disorder With or Without Hyperactivity (ADHD) by a Metabolomic Approach in Children https://ClinicalTrials.gov/show/NCT03436017 Recruiting University Hospital, Tours 2020-11-30
NCT01263548 To Evaluate the Safety and Metabolic Profile of Vyvanse for the Treatment of ADHD in Euthymic Adults With Bipolar I/II Disorder https://ClinicalTrials.gov/show/NCT01263548 Completed University Health Network, Toronto 2012-01-31
NCT01184235 Multidimensional Measurement of Psychopharmacological Treatment Response https://ClinicalTrials.gov/show/NCT01184235 Completed Child Psychopharmacology Institute 2011-08-31
NCT01108354 The Serotonin Transporter in Attention Deficit Hyperactivity Disorder https://ClinicalTrials.gov/show/NCT01108354 Completed Medical University of Vienna 2013-04-30
NCT01032811 Pilot Study Of Primary And Secondary Attention-Deficit/Hyperactivity Disorder Among Survivors Of Childhood Cancer https://ClinicalTrials.gov/show/NCT01032811 Completed St. Jude Children’s Research Hospital 2009-09-30
NCT00966394 Salivary Bacteria and Oral Health Status in Children With ADHD https://ClinicalTrials.gov/show/NCT00966394 Completed Hadassah Medical Organization 2010-05-31
NCT00916071 Association Between Attention Deficit Hyperactivity Disorder and Bulimia Nervosa in Outpatients With Eating Disorders https://ClinicalTrials.gov/show/NCT00916071 Completed Massachusetts General Hospital 2010-02-28
NCT00885807 A Prospective Chart Review to Validate the WFIRS (Weiss Functional Impairment Rating Scale) https://ClinicalTrials.gov/show/NCT00885807 Completed University of British Columbia 2011-04-30
NCT00879320 Healthy Lifestyle in Adults With Attention Deficit Hyperactivity Disorder https://ClinicalTrials.gov/show/NCT00879320 Completed Massachusetts General Hospital 2012-05-31
NCT03679403 A Longitudinal Follow-up Study of Neuroimage and Neuropsychological Endophenotype Study on ADHD https://ClinicalTrials.gov/show/NCT03679403 Recruiting National Taiwan University Hospital 2020-07-31
NCT04006548 To Explore the Influence of Appetite Reduction and Medication Effect of Methylphenidate in Patients With Attention-deficit/Hyperactivity Disorder(ADHD) Through Pharmacogenetics. https://ClinicalTrials.gov/show/NCT04006548 Recruiting Chang Gung Memorial Hospital 2021-07-01
NCT01990222 Leveraging Mobile Health Technology to Optimize Early Stimulant Medication Treatment: A Feasibility Pilot https://ClinicalTrials.gov/show/NCT01990222 Completed University of California, Los Angeles 2018-10-31
NCT00776737 Studies of Measures of Attention https://ClinicalTrials.gov/show/NCT00776737 Completed National Institutes of Health Clinical Center (CC) NA
NCT00745524 Screening for Attention-deficit/Hyperactivity Disorder (ADHD) in Adolescent and Adult High Risk Populations https://ClinicalTrials.gov/show/NCT00745524 Completed National Taiwan University Hospital NA
NCT00717392 Evaluation of the Efficacy of Hippotherapy for Children With Developmental Disorders https://ClinicalTrials.gov/show/NCT00717392 Completed Sheba Medical Center 2011-06-30
NCT00711724 Comparison of Self and Clinician Administered Rating Scales in Patients With ADHD https://ClinicalTrials.gov/show/NCT00711724 Completed Massachusetts General Hospital 2009-03-31
NCT00646464 New Continuous Performance Tests (CPT) for the Diagnosis of Pediatric Attention Deficit/Hyperactivity Disorder (ADHD) https://ClinicalTrials.gov/show/NCT00646464 Completed Hadassah Medical Organization 2010-05-31
NCT00598182 Adherence and Long-term Effect of OROS Methylphenidate (CONCERTA): A Follow-up Study https://ClinicalTrials.gov/show/NCT00598182 Completed National Taiwan University Hospital NA
NCT00595751 NeuroLex EEG-Based ADHD Assessment Aid, Pivotal Study https://ClinicalTrials.gov/show/NCT00595751 Completed Lexicor Medical Technology, LLC 2008-06-30
NCT00543257 Parents at the Center: Information Management in ADHD - Clinical Trial https://ClinicalTrials.gov/show/NCT00543257 Completed Boston Children’s Hospital 2009-03-31
NCT00508677 Mazindol in Children With ADHD : Open-label, Efficacy, Safety and Pharmacokinetic Pilot Trial https://ClinicalTrials.gov/show/NCT00508677 Completed Assistance Publique - Hôpitaux de Paris 2009-07-31
NCT00498719 Cognitive Training in Attenuating Attention Deficits/Child Treatment for Cancer https://ClinicalTrials.gov/show/NCT00498719 Active, not recruiting M.D. Anderson Cancer Center 2024-09-30
NCT00494819 Validity of ADHD Subtypes Using Neuropsychological Measure https://ClinicalTrials.gov/show/NCT00494819 Completed National Taiwan University Hospital NA
NCT00491647 Time Perception Deficits and Attention-Deficit/Hyperactivity Disorder https://ClinicalTrials.gov/show/NCT00491647 Completed National Taiwan University Hospital NA
NCT00491361 Chinese Versions of the Swanson, Nolan, and Pelham, Version IV (SNAP-IV) Scale and Strengths Difficulties Questionnaire. https://ClinicalTrials.gov/show/NCT00491361 Completed National Taiwan University Hospital NA
NCT00460720 Compliance Survey of ADHD Medication for Optimal Satisfaction (COSMOS) https://ClinicalTrials.gov/show/NCT00460720 Completed Johnson & Johnson Taiwan Ltd NA
NCT00434928 Dietary Intake and Nutrient Status of Children With ADHD https://ClinicalTrials.gov/show/NCT00434928 Completed University of British Columbia NA
NCT00417781 A Follow-up, Family Study on Attention-deficit Hyperactivity Disorder https://ClinicalTrials.gov/show/NCT00417781 Completed National Taiwan University Hospital NA
NCT00416091 Neuropsychological Functioning Among Children With Tourret’s Disorder and ADHD https://ClinicalTrials.gov/show/NCT00416091 Completed National Taiwan University Hospital NA
NCT00397748 PET Scanning of Adults With Attention Deficit Hyperactivity Disorder (ADHD) https://ClinicalTrials.gov/show/NCT00397748 Completed National Institutes of Health Clinical Center (CC) NA
NCT00341029 Genetic Measurements in Blood Cells of Children Taking Adderall or Methylphenidate https://ClinicalTrials.gov/show/NCT00341029 Completed National Institutes of Health Clinical Center (CC) 2007-09-30
NCT00339729 Johnston County ADHD Study: Environmental, Reporductive, and Familial Risk Factors for Attention-Deficit Hyperactivity Disorder (ADHD) https://ClinicalTrials.gov/show/NCT00339729 Completed National Institutes of Health Clinical Center (CC) NA
NCT00328224 Oral Status and Prevalence of Dental Trauma in Children Treated With Ritalin Due to Attention-Deficit Hyperactivity Disorder (ADHD) https://ClinicalTrials.gov/show/NCT00328224 Completed Hadassah Medical Organization NA
NCT00307268 Evaluating Clinical Outcomes of Treatment Effectiveness for Children and Adults With ADHD https://ClinicalTrials.gov/show/NCT00307268 Completed University of British Columbia 2010-01-31
NCT00302380 An Open Label Phase I/II Study of the Safety and Dopamine Transporter Binding Properties of C-11 Altropane in Normal Human Subjects and in Subjects With ADHD https://ClinicalTrials.gov/show/NCT00302380 Completed Massachusetts General Hospital 2006-03-31
NCT00181857 Risk of Attention Deficit Hyperactivity Disorder (ADHD) in the Children of Adults With ADHD Not Otherwise Specified (NOS) https://ClinicalTrials.gov/show/NCT00181857 Completed Massachusetts General Hospital 2006-02-28
NCT00161161 Genetic Liability in the Brain Morphology of Attention Deficit Hyperactivity Disorder https://ClinicalTrials.gov/show/NCT00161161 Completed UMC Utrecht NA
NCT00104039 Brain Changes in Children and Adolescents With Behavioral Problems https://ClinicalTrials.gov/show/NCT00104039 Completed National Institutes of Health Clinical Center (CC) NA
NCT00001497 Assessment of Attentional Functioning in Children With HIV-1 Infection https://ClinicalTrials.gov/show/NCT00001497 Completed National Institutes of Health Clinical Center (CC) NA
NCT00026546 Behavior in Children With Attention Deficit Hyperactivity Disorder and in Healthy Volunteers https://ClinicalTrials.gov/show/NCT00026546 Completed National Institutes of Health Clinical Center (CC) NA
NCT00014898 Attention Deficit Disorder and Exposure to Lead https://ClinicalTrials.gov/show/NCT00014898 Completed National Institute of Environmental Health Sciences (NIEHS) NA
NCT00008892 Brain Imaging in Children With AD/HD https://ClinicalTrials.gov/show/NCT00008892 Completed National Institutes of Health Clinical Center (CC) NA
NCT00001544 Genetic Aspects of Neurologic and Psychiatric Disorders https://ClinicalTrials.gov/show/NCT00001544 Completed National Institutes of Health Clinical Center (CC) NA
NCT00001206 Biological Markers in Attention Deficit/Hyperactivity Disorder (ADHD) https://ClinicalTrials.gov/show/NCT00001206 Completed National Institutes of Health Clinical Center (CC) NA
NCT00001915 Study of Attention Deficit/Hyperactivity Disorder Using Transcranial Magnetic Stimulation https://ClinicalTrials.gov/show/NCT00001915 Completed National Institutes of Health Clinical Center (CC) NA

Registries

#If less then 500 registries

nct_id brief_title link overall_status source primary_completion_date
NCT02136147 ADHD Medication and Predictors of Treatment Outcome https://ClinicalTrials.gov/show/NCT02136147 Enrolling by invitation Karolinska Institutet 2020-12-31
NCT03944083 Children With ADHD and Emotional Dysregulation https://ClinicalTrials.gov/show/NCT03944083 Recruiting Oslo University Hospital 2021-08-31